The Brothers' War

Recruitment Officer | Creature | Human Soldier | {3}{W}: Look at the top four cards of your library. You may reveal a creature card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Johan Grenier

Gnawing Vermin | Creature | Rat | When Gnawing Vermin enters the battlefield, target player mills two cards. When Gnawing Vermin dies, target creature you don't control gets -1/-1 until end of turn. | Raoul Vitale

Monastery Swiftspear | Creature | Human Monk | Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Gabor Szikszai

Alloy Animist | Creature | Human Druid | {2}{G}: Until end of turn, target noncreature artifact you control becomes a 4/4 artifact creature. | Kim Sokol

Yotian Frontliner | Artifact Creature | Soldier | Whenever Yotian Frontliner attacks, another target creature you control gets +1/+1 until end of turn. Unearth {W} ({W}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) | Jehan Choo

Haywire Mite | Artifact Creature | Insect | When Haywire Mite dies, you gain 2 life. {G}, Sacrifice Haywire Mite: Exile target noncreature artifact or noncreature enchantment. | Izzy

Spectrum Sentinel | Artifact Creature | Soldier | Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.) Whenever a nonbasic land enters the battlefield under an opponent's control, you gain 1 life. | Olivier Bernard